//定制请求的实例

//导入axios  npm install axios
import axios from 'axios';
import {ElMessage} from "element-plus";
//定义一个变量,记录公共的前缀  ,  baseURL
const baseURL = '/api';
const instance = axios.create({baseURL})

import {useTokenStore} from "@/stores/token";

instance.interceptors.request.use(
    (config) => {
        const tokenStore = useTokenStore();
        if(tokenStore.token) {
            config.headers.Authorization = tokenStore.token;
        }
        return config;
    },
    (err) => {
        return Promise.reject(err)
    }
)

import router from "@/router";

//添加响应拦截器
instance.interceptors.response.use(
    result=>{
        if(result.data.code === 0) {
            return result.data;
        }

        // alert(result.data.msg ? result.data.msg : '服务异常');
        ElMessage.error(result.data.message ? result.data.message : '服务异常');
        // 异步操作状态转换为失败
        return Promise.reject(result.data);
    },
    err=>{
        if (err.response.status === 401) {
            ElMessage.error('请先登录');
            router.push('/login');
        } else {
            ElMessage.error('服务异常');
        }
        return Promise.reject(err);//异步的状态转化成失败的状态
    }
)

export default instance;